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Muste, Eelco H.; Weertman, Anoek; Claassen, Anne-Marie

doi:10.1007/978-90-313-7206-5_1

Cited by 1 publication

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“…These results are particularly noteworthy considering the patient cohort in this study, in which 94% of participants had two or more clinical disorders, including PDs, and 70% had at least three clinical disorders, with an average of 6 years of prior treatment experience, indicating the severity of their problems. This aligns with the inclusion criteria for day treatment as defined by Muste, Weertman, and Claassen (2009). In contrast, Bamelis et al (2014) reported an average treatment duration of approximately 2.5 years under the ST condition.…”

Section: Discussionsupporting

confidence: 73%

“…Inpatient or day treatment is recommended for individuals with severe problems, absence of social roles and networks or after multiple unsuccessful outpatient treatments and for patients with system-related hindrances to growth or change and severe attachment issues requiring a secure clinical environment. Day and inpatient treatments emphasize diverse multidisciplinary approaches to foster multiple opportunities for change (Muste, Weertman, and Claassen 2009).…”

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confidence: 99%

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Effectiveness of Day Treatment Group Schema Therapy for Personality Disorders: A Multiple Baseline Single‐Case Study

van Houten,

Bouwmeester,

Bachrach

2024

Clin Psychology and Psychoth

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BackgroundSchema therapy is effective for most outpatients with personality disorders (PDs). However, a subgroup does not sufficiently benefit from outpatient programmes. Despite its common clinical use, a thorough evaluation of day treatment group schema therapy (GST) is lacking.AimsThis study aimed to investigate the effectiveness of day treatment GST for patients with PDs.Methods and ProceduresNegative core beliefs were the primary outcome in a multiple baseline single‐case design, measured weekly before and during 30 weeks of day treatment GST. Secondary outcomes included severity of primary PD, early maladaptive schemas (EMS), schema modes and general psychopathology measured before and after day treatment GST. Intervention effects were evaluated through visual inspection and randomization test analysis, with a reliable change index calculated for the secondary outcome measures.Outcomes and ResultsA total of 79% of treatment completers showed a significant positive effect of day treatment GST with large effect sizes (Cohen's d: 0.96–10.04). Secondary outcomes supported these findings: 56% had a significant decrease in the severity of primary PD and 53% in general psychopathology. In addition, 63% of EMS and 72% of schema modes (87.5% for functional schema modes) showed significant positive reliable changes.Conclusions and ImplicationsThis is the first empirical study that demonstrated the effectiveness of day treatment GST in patients with severe PDs. Day treatment GST can serve as a stepped care treatment option for nonresponsive patients in outpatient programmes. Further randomized controlled (cost‐)effectiveness research is necessary to substantiate these findings and investigate the specific patient populations for which day treatment is essential.

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Section: Discussionsupporting

confidence: 73%

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confidence: 99%